Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752545AbdHMKXs (ORCPT ); Sun, 13 Aug 2017 06:23:48 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:53674 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751119AbdHMKXq (ORCPT ); Sun, 13 Aug 2017 06:23:46 -0400 Date: Sun, 13 Aug 2017 03:23:45 -0700 From: Christoph Hellwig To: Long Li Cc: Steve French , linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, Long Li Subject: Re: [[PATCH v1] 15/37] [CIFS] SMBD: Post a SMBD data transfer message with data payload Message-ID: <20170813102345.GG17287@infradead.org> References: <1501704648-20159-1-git-send-email-longli@exchange.microsoft.com> <1501704648-20159-16-git-send-email-longli@exchange.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1501704648-20159-16-git-send-email-longli@exchange.microsoft.com> User-Agent: Mutt/1.8.3 (2017-05-23) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 249 Lines: 4 You can always get the struct page for kernel allocations using virt_to_page (or vmalloc_to_page, but this code would not handle the vmalloc case either), so I don't think you need this helper and can always use the one added in the previous patch.